Deep-Sea Coral Evidence for Rapid Change in Ventilation of the Deep North Atlantic 15,400 Years Ago
Coupled radiocarbon and thorium-230 dates from benthic coral species reveal that the ventilation rate of the North Atlantic upper deep water varied greatly during the last deglaciation. Radiocarbon ages in several corals of the same age, 15.41 +/- 0.17 thousand years, and nearly the same depth, 1800...
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1998
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ftcdlib:oai:escholarship.org:ark:/13030/qt48f2g61v 2023-09-05T13:21:19+02:00 Deep-Sea Coral Evidence for Rapid Change in Ventilation of the Deep North Atlantic 15,400 Years Ago Adkins, Jess F Cheng, Hai Boyle, Edward A Druffel, Ellen RM Edwards, R Lawrence 725 - 728 1998-05-01 application/pdf https://escholarship.org/uc/item/48f2g61v unknown eScholarship, University of California qt48f2g61v https://escholarship.org/uc/item/48f2g61v CC-BY Science, vol 280, iss 5364 Life Below Water General Science & Technology article 1998 ftcdlib 2023-08-21T18:04:36Z Coupled radiocarbon and thorium-230 dates from benthic coral species reveal that the ventilation rate of the North Atlantic upper deep water varied greatly during the last deglaciation. Radiocarbon ages in several corals of the same age, 15.41 +/- 0.17 thousand years, and nearly the same depth, 1800 meters, in the western North Atlantic Ocean increased by as much as 670 years during the 30- to 160-year life spans of the samples. Cadmium/calcium ratios in one coral imply that the nutrient content of these deep waters also increased. Our data show that the deep ocean changed on decadal-centennial time scales during rapid changes in the surface ocean and the atmosphere. Article in Journal/Newspaper North Atlantic University of California: eScholarship |
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Open Polar |
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University of California: eScholarship |
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unknown |
topic |
Life Below Water General Science & Technology |
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Life Below Water General Science & Technology Adkins, Jess F Cheng, Hai Boyle, Edward A Druffel, Ellen RM Edwards, R Lawrence Deep-Sea Coral Evidence for Rapid Change in Ventilation of the Deep North Atlantic 15,400 Years Ago |
topic_facet |
Life Below Water General Science & Technology |
description |
Coupled radiocarbon and thorium-230 dates from benthic coral species reveal that the ventilation rate of the North Atlantic upper deep water varied greatly during the last deglaciation. Radiocarbon ages in several corals of the same age, 15.41 +/- 0.17 thousand years, and nearly the same depth, 1800 meters, in the western North Atlantic Ocean increased by as much as 670 years during the 30- to 160-year life spans of the samples. Cadmium/calcium ratios in one coral imply that the nutrient content of these deep waters also increased. Our data show that the deep ocean changed on decadal-centennial time scales during rapid changes in the surface ocean and the atmosphere. |
format |
Article in Journal/Newspaper |
author |
Adkins, Jess F Cheng, Hai Boyle, Edward A Druffel, Ellen RM Edwards, R Lawrence |
author_facet |
Adkins, Jess F Cheng, Hai Boyle, Edward A Druffel, Ellen RM Edwards, R Lawrence |
author_sort |
Adkins, Jess F |
title |
Deep-Sea Coral Evidence for Rapid Change in Ventilation of the Deep North Atlantic 15,400 Years Ago |
title_short |
Deep-Sea Coral Evidence for Rapid Change in Ventilation of the Deep North Atlantic 15,400 Years Ago |
title_full |
Deep-Sea Coral Evidence for Rapid Change in Ventilation of the Deep North Atlantic 15,400 Years Ago |
title_fullStr |
Deep-Sea Coral Evidence for Rapid Change in Ventilation of the Deep North Atlantic 15,400 Years Ago |
title_full_unstemmed |
Deep-Sea Coral Evidence for Rapid Change in Ventilation of the Deep North Atlantic 15,400 Years Ago |
title_sort |
deep-sea coral evidence for rapid change in ventilation of the deep north atlantic 15,400 years ago |
publisher |
eScholarship, University of California |
publishDate |
1998 |
url |
https://escholarship.org/uc/item/48f2g61v |
op_coverage |
725 - 728 |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
Science, vol 280, iss 5364 |
op_relation |
qt48f2g61v https://escholarship.org/uc/item/48f2g61v |
op_rights |
CC-BY |
_version_ |
1776201938825641984 |